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Transcript
103156, APRIL 17, 2007
Detex Corporation, 302 Detex Drive, New Braunfels, Texas 78130-3045
(830)629-2900 / 1-800-729-3839 / Fax (830)620-6711
E-MAIL: [email protected]
INTERNET: www.detex.com
INSTRUCTIONS FOR 80-800
80-800 FILTERED AND REGULATED POWER SUPPLY
1.0 AMP @ 24 VOLTS DC
Optional Battery
p/n 70-24B (24 volt, 4.5 Ah)
103156 Page 1
80-800 STANDARD POWER SUPPLY
GREEN
WHITE 120VAC
BLACK
JUMPER
PLATE
(SEE #2 BELOW)
Wires to optional battery backup.
Battery p/n: 70-24B (24 volt, 4.5 Ah)
DC power out
(SEE #6 BELOW)
N/C Fire Alarm Loop
DETEX MODEL 80-800 STANDARD POWER SUPPLY CONNECTION DIAGRAM AND INSTRUCTIONS
The 80-800 is a regulated and filtered power supply. It has a selectable output voltage of either 12 or 24
volts DC. For Detex systems always select 24 volts DC. Refer to the drawing of the power supply for
connections and adjustments. All connections and adjustment must be made with the power supply
de-energized AND main power switch (item 3) in the OFF position.
1: Main power connection. Observe correct terminal connections. Color code requires
connections made per NFPA72. Leave circuit de-energized while installing and
servicing unit.
2: Fire loop control. The fire loop control is bypassed with a factory jumper unless the power
supply is supplied with a delayed egress device. If not used with delayed egress device
proceed to step 3. With delayed egress devices, the jumper plate is not provided, and
connections to the building fire alarm system are required. Connect the building fire system
closed relay to the (-) and C terminals. The power supply will operate normally as long as the
connection between the (-) and (C) is maintained. When the building fire alarm system opens
the circuit, the power supply de-energizes the output voltage. Fire loop uses 24 volt sense
voltage. Note: Each power supply should have an independent fire alarm relay.
3: Main ON-OFF switch. This switch can be used to de-energize the power supply for
service and adjustments. High voltage is still present inside the enclosure as long as
the main power feed is energized, so caution should still be used when service is
performed using this switch.
4: 1 Amp circuit breaker. This is intended to protect the device against high current
loads and is part of the AC input circuit. It is a thermal device and can be reset once
the cause of the overload is corrected.
5: Output voltage select switches. These must both be set to the 24 volt position.
They should be preset at the factory and require no adjustment. If they need adjustment,
de-energize the unit first.
6: Output terminals. Outputs 24 volts at 1 amp maximum. The output is protected
by a PTC thermally resetable fuse element. The fuse will reset once the cause of
the overload is found and corrected. Observe correct polarity when making connections.
103156 Page 2
7: Optional battery backup connections. This output is intended for lead
acid batteries and is also at 24 volts. Typically, two 12 volt batteries are
connected in series for this application. Approximate battery life is charted
on the label inside the cover of the power supply.
RECOMMENDED WIRE SIZES:
WIRE GAUGE
MAXIMUM LENGTH OF
TWO CONDUCTOR CABLE
20 AWG
10 FEET
18 AWG
40 FEET
80-800 Power Supply with Detex Delayed Egress device
GREEN
WHITE 120VAC
BLACK
SEE 2
Wires to optional
battery backup
Fire Alarm
Loop
To Exit Device
Door #1
DETEX RECOMMENDS THE
POWER SUPPLY BE LOCATED
WITHIN 40 FEET OF THE DEVICE
To Exit Device
Door #2
(if req'd)
Closed Fire Alarm Loop
(must be supplied)
From (-) terminal
to pin #2 on
exit device
From (+) terminal
to pin #1 on
exit device
BLK
WHT
BLK
WHT
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11 12
INSTALL JUMPER
WIRE FROM
TERMINAL 3 TO
TERMINAL 4
AS SHOWN
9V Alkaline
Battery
To Exit Device(s)
To disable the low-battery indication,
disconnect AC power and battery
before cutting "DB" jumper wire.
(PC BOARD ASSEMBLY INSIDE
DELAYED EGRESS DEVICE)
103156 Page 3